Location Old market, PL-Kraków Products FLEXWELL – Trenchless installation FHK 200/310 (DN 150) Pipe length 2 x 58 m FLEXWELL-Project Poland, Kraków 2017 Case StudyFLEXWELL-Project Kraków 2017 Case Study The challenge The pipes – or as we call them – the heating cables Flexwell were supplied on two over- sized drums, each of 4,5m diameter, 3,3m width and weighing 5 tons. The technical preparations took several weeks. All required arrangements, permissi- ons and check ups from the formal, technical and archeological point of view had to be done to minimize the negative effects on the historical objects, situated both above – and under the ground. The drilling procedure itself was strictly controlled by the restorer and archeological services. The starting point (the so called

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